DE69519563D1 - Optical head device with high resolution - Google Patents

Optical head device with high resolution

Info

Publication number
DE69519563D1
DE69519563D1 DE69519563T DE69519563T DE69519563D1 DE 69519563 D1 DE69519563 D1 DE 69519563D1 DE 69519563 T DE69519563 T DE 69519563T DE 69519563 T DE69519563 T DE 69519563T DE 69519563 D1 DE69519563 D1 DE 69519563D1
Authority
DE
Germany
Prior art keywords
high resolution
optical head
head device
optical
device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69519563T
Other languages
German (de)
Other versions
DE69519563T2 (en
Inventor
Makoto Kato
Kenichi Kasazumi
Shin-Ichi Kadowaki
Hiroaki Yamamoto
Kazuhisa Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP7067627A priority Critical patent/JPH07320295A/en
Application filed by Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE69519563D1 publication Critical patent/DE69519563D1/en
Publication of DE69519563T2 publication Critical patent/DE69519563T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10831Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermo-magnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10532Heads
    • G11B11/10541Heads for reproducing
    • G11B11/10543Heads for reproducing using optical beam of radiation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13Optical detectors therefor
    • G11B7/131Arrangement of detectors in a multiple array
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353Diffractive elements, e.g. holograms or gratings
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367Stepped phase plates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1369Active plates, e.g. liquid crystal panels or electrostrictive elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1387Means for guiding the beam from the source to the record carrier or from the record carrier to the detector using the near-field effect
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1395Beam splitters or combiners
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00Other aspects
    • G06K2207/1013Multi-focal
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B2007/13727Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing
DE69519563T 1994-03-29 1995-08-16 Optical head device with high resolution Expired - Fee Related DE69519563T2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7067627A JPH07320295A (en) 1994-03-29 1995-03-27 Super-resolution optical head device

Publications (2)

Publication Number Publication Date
DE69519563D1 true DE69519563D1 (en) 2001-01-11
DE69519563T2 DE69519563T2 (en) 2001-04-05

Family

ID=13350416

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69519563T Expired - Fee Related DE69519563T2 (en) 1994-03-29 1995-08-16 Optical head device with high resolution

Country Status (4)

Country Link
US (2) US6115345A (en)
EP (1) EP0735527B1 (en)
KR (1) KR100214046B1 (en)
DE (1) DE69519563T2 (en)

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JPH10283652A (en) * 1997-02-24 1998-10-23 Hoetron Inc Optical head using two semiconductor laser having different wavelengths
US20010050892A1 (en) * 1997-07-11 2001-12-13 Yoshitaka Takahashi Optical disk apparatus compatible with different types of mediums
US6449235B1 (en) * 1998-04-04 2002-09-10 Lg Electronics, Inc. Optical pick-up apparatus and optical recording/reproducing apparatus using the same
US6169631B1 (en) * 1998-05-19 2001-01-02 Seagate Technology Llc Laser-texturing data zone on a magnetic disk surface by using degenerative two wave mixing
KR20000009844A (en) * 1998-07-29 2000-02-15 사까이 히로시 Optical pickup
JP3553841B2 (en) * 1998-12-23 2004-08-11 三星電子株式会社 Optical pickup device
US6625102B1 (en) * 1999-03-15 2003-09-23 Citizen Watch Co., Ltd. Optical device
US6975576B1 (en) * 1999-07-13 2005-12-13 Kabushiki Kaisha Toshiba Optical head device and disk drive system having first and second light sources for emitting light beams of different wavelengths
US6891791B1 (en) 1999-08-19 2005-05-10 Interscience, Inc. Optical pickup apparatus and method
JP3535996B2 (en) * 1999-09-20 2004-06-07 富士通株式会社 Optical storage device and phase compensation amount adjustment method
US6671237B1 (en) * 2000-02-29 2003-12-30 Imation Corp. Method and apparatus for driving an electro-optic modulator assembly
JP3920001B2 (en) * 2000-03-24 2007-05-30 フジノン株式会社 Diffraction lens and optical pickup device using the same
US6953781B2 (en) * 2000-05-12 2005-10-11 Rodaris Pharmaceuticals Limited Compounds and their uses
US7154837B2 (en) * 2000-05-31 2006-12-26 Matsushita Electric Industrial Co., Ltd. Optical pickup and optical information recording/reproducing device
JP3860953B2 (en) * 2000-07-07 2006-12-20 日本電産サンキョー株式会社 Optical head device
JP2004087089A (en) * 2002-06-27 2004-03-18 Sharp Corp Optical pickup
AU2003253942A1 (en) * 2002-07-16 2004-02-02 Research Electro-Optics, Inc. Method for noise cancellation by spectral flattening of laser output in a multi-line-laser instrument
JP4361018B2 (en) * 2002-09-24 2009-11-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Optical scanning device
JP2006500716A (en) * 2002-09-27 2006-01-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィKoninklijke Philips Electronics N.V. Optical scanning device
DE602004016474D1 (en) * 2003-03-17 2008-10-23 Koninkl Philips Electronics Nv Optical sensing device
US7023620B1 (en) 2003-07-03 2006-04-04 Research Electro-Optics, Inc. Beam array pitch controller
US7710850B2 (en) * 2004-06-30 2010-05-04 Samsung Electronics Co., Ltd. Method and apparatus for reproducing data of super resolution information storage medium
US20060114791A1 (en) * 2004-11-30 2006-06-01 Charles Marshall Ultra-high data density optical media system
JP2006196087A (en) * 2005-01-13 2006-07-27 Tdk Corp Method and system for optical recording/reproducing
WO2006112480A1 (en) * 2005-04-20 2006-10-26 Asahi Glass Company, Limited Phase plate and optical head device
JP4512698B2 (en) * 2005-08-30 2010-07-28 ナノフォトン株式会社 Laser microscope
WO2007046284A1 (en) * 2005-10-17 2007-04-26 Nec Corporation Optical head and optical disc device
JPWO2007105767A1 (en) * 2006-03-16 2009-07-30 旭硝子株式会社 Optical head device
US7952803B2 (en) * 2006-05-15 2011-05-31 Asml Netherlands B.V. Lithographic apparatus and device manufacturing method
US7869022B2 (en) * 2007-07-18 2011-01-11 Asml Netherlands B.V. Inspection method and apparatus lithographic apparatus, lithographic processing cell, device manufacturing method and distance measuring system
JP5261115B2 (en) * 2008-02-29 2013-08-14 三洋電機株式会社 Pickup device
EP2157575A1 (en) 2008-08-21 2010-02-24 Thomson Licensing Method and apparatus for reading data from an optical storage medium, and respective optical storage medium
CA2931514C (en) 2013-11-28 2020-01-21 Swinburne University Of Technology Method and system for optical data storage
DE102014116958B9 (en) 2014-11-19 2017-10-05 Trumpf Laser- Und Systemtechnik Gmbh Optical system for beam shaping of a laser beam, laser processing system, method for material processing and use of a common elongated focus zone for laser material processing
DE102014116957A1 (en) 2014-11-19 2016-05-19 Trumpf Laser- Und Systemtechnik Gmbh Optical system for beam shaping

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DE2445333A1 (en) 1973-10-01 1975-04-10 Philips Nv Opto-electronic system for determining a deviation between the actual position and the desired position of a plane in an optical imaging system
JPS5968844A (en) * 1982-10-14 1984-04-18 Matsushita Electric Ind Co Ltd Optical reversible recording and reproducing device
JPS62251026A (en) 1986-04-23 1987-10-31 Hitachi Ltd Automatic charging apparatus for snap ring
JPH042373B2 (en) 1986-04-23 1992-01-17
JPH06101138B2 (en) 1987-03-19 1994-12-12 松下電器産業株式会社 Optical head device
DE3882872T2 (en) 1987-10-05 1993-11-11 Matsushita Electric Ind Co Ltd Optical read head.
US5208801A (en) * 1988-02-05 1993-05-04 Tandy Corporation Method and apparatus for correcting focus in an optical recording system
US5062098A (en) 1988-10-19 1991-10-29 Matsushita Electric Industrial Co., Ltd. Optical pick-up device having holographic element
EP0452793B1 (en) * 1990-04-12 1998-01-28 Matsushita Electric Industrial Co., Ltd. Optical head having a hologram associated with the objective lens
JP2858455B2 (en) * 1990-11-27 1999-02-17 キヤノン株式会社 Optical information recording device
JPH04281231A (en) * 1990-11-30 1992-10-06 Toshiba Corp Light focusing optical system
JPH04289529A (en) * 1991-01-09 1992-10-14 Sony Corp Optical pickup device for recordable disk and dichroic mirror
JP3238497B2 (en) * 1992-11-12 2001-12-17 松下電器産業株式会社 Optical pickup head device
JP2655066B2 (en) * 1993-12-28 1997-09-17 日本電気株式会社 Super-resolution optical head device
JPH07234382A (en) * 1994-02-24 1995-09-05 Matsushita Electric Ind Co Ltd Super resolution scanning optical device

Also Published As

Publication number Publication date
US6185168B1 (en) 2001-02-06
KR960035481A (en) 1996-10-24
US6115345A (en) 2000-09-05
EP0735527A1 (en) 1996-10-02
DE69519563T2 (en) 2001-04-05
EP0735527B1 (en) 2000-12-06
KR100214046B1 (en) 1999-08-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee